Casio IT-9000 Series Service Manual page 41

5-3-8. Test Procedures
ALL TEST MENU-1
[1] RAM
No.
Select "[1].RAM" from
MENU-1 screen.
1
[2] ROM
No.
Select "[2].ROM" from
MENU-1 screen.
1
Operation
Operation
Display
Display
– 34 –
IT-9000
Test Details
The increment data is written to,
read from and then compared
with the maximum possible
RAM area.
If OK:
The screen returns to the menu
screen.
If any problem:
The failed addresses, correct
data and wrong data are
displayed.
Press the "ENT" key to return to
the menu screen.
Test Details
A test fi le of 64 KB is written,
read and compared.
If OK:
The screen returns to the menu
screen.
If any problem:
An error indication is displayed.
Press the "ENT" key to return to
the menu screen.